OpenTechnical

OT-2026-000097143

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000097143) never changes.

Identity and time

Publication numberOT-2026-000097143 · never reused
Internal UUID01a0aea1-01c9-738d-8684-7f8e9f67626b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097143
StatusPUBLIC

Content hashes

Canonical text76ea18aad62b328a46da1412093b1d6f83a9dd0693dd12bc3563c1539733e020
Markdown4c2228d69561b09f0b14792e0a8166c355bf5e9e43c03ede0a2e46f180c32610
PDF
Publication page539a720241189769c6d78784fad912d7f9c7e26b5f854cc776040e92a95bde37
Manifest140bed96155db50415f68ece9ec2102ffddb0ed07c56ff7b2ee6f16bc7bb0f41

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureTCrSdEsn/xhswwYXWV1diWbhzhzQa7ql4H2pwNDObRyFNNkM2tR/aR5f8PIoK/3qwOlDpR8zUnFwJdOXYJ4SCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:56.384376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097143
observed 539a720241189769c6d78784fad912d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:56.367383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097143/manifest.json
observed 140bed96155db50415f68ece9ec2102f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:56.350106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097143/publication.md
observed 4c2228d69561b09f0b14792e0a8166c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:56.211240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097143/publication.txt
observed 76ea18aad62b328a46da1412093b1d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.